2016-02-25 21:41:45 +08:00
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/*
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Copyright (c) 2014, Rafat Hussain
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Copyright (c) 2016, Holger Nahrstaedt
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*/
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2014-12-15 18:17:46 +08:00
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#ifndef WAVEFILT_H_
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#define WAVEFILT_H_
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#include <stdio.h>
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#include "conv.h"
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2016-02-28 17:01:21 +08:00
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#define _USE_MATH_DEFINES
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#include "math.h"
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2014-12-15 18:17:46 +08:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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2016-02-25 21:41:45 +08:00
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int filtlength(const char* name);
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2014-12-15 18:17:46 +08:00
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2016-02-25 21:41:45 +08:00
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int filtcoef(const char* name, double *lp1, double *hp1, double *lp2, double *hp2);
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2014-12-15 18:17:46 +08:00
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2016-02-25 21:41:45 +08:00
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void copy_reverse(const double *in, int N, double *out);
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void qmf_even(const double *in, int N, double *out);
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void qmf_wrev(const double *in, int N, double *out);
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void copy(const double *in, int N, double *out);
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2014-12-15 18:17:46 +08:00
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#ifdef __cplusplus
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}
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#endif
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#endif /* WAVEFILT_H_ */
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